A patient had primary cutaneous adenoid cystic carcinoma. The tumor closely resembled adenoid cystic carcinoma of salivary gland origin and was composed of cribriform and tubular masses of basaloid cells. Lumina formed by neoplastic cells contained mucin and hyalin , and similar constituents were located between neoplastic cell masses and adjacent dermis. Perineural invasion was observed. A review of seven other primary cutaneous adenoid cystic carcinomas indicates that this neoplasm tends to… CONTINUE READING